Home / 249,586.48-344,430.24-136,409.28

Finding the Fourth Proportional to 249,586.48, 344,430.24 and 136,409.28

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Solution

The fourth proportional to 249,586.48, 344,430.24 and 136,409.28 is: 188,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,586.48 : 344,430.24 = 136,409.28 : x
  2. Step 2: Convert to fraction form
    249,586.48/344,430.24 = 136,409.28/x
  3. Step 3: Cross multiply
    249,586.48x = 344,430.24 × 136,409.28
  4. Step 4: Simplify right side
    249,586.48x = 46,983,481,048.63
  5. Step 5: Solve for x
    x = 46,983,481,048.63/249,586.48
  6. Step 6: Final answer
    x = 188,245.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.